births
October 6, 1897
Florence B. Seibert, American biochemist and academic (died 1991)
Florence B. Seibert
Florence Barbara Seibert was an American biochemist. She is best known for identifying the active agent in the antigen tuberculin as a protein, and subsequently for isolating a pure form of tuberculin, purified protein derivative (PPD), enabling the development and use of a reliable TB test. Seibert has been inducted into the Florida Women's Hall of Fame and the National Women's Hall of Fame.